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isl_mat_extend: make sure the number of rows never decreases
[platform/upstream/isl.git]
/
isl_mat.c
diff --git
a/isl_mat.c
b/isl_mat.c
index
c1ba26e
..
c96017e
100644
(file)
--- a/
isl_mat.c
+++ b/
isl_mat.c
@@
-57,6
+57,8
@@
struct isl_mat *isl_mat_extend(struct isl_mat *mat,
if (mat->max_col < n_col) {
struct isl_mat *new_mat;
+ if (n_row < mat->n_row)
+ n_row = mat->n_row;
new_mat = isl_mat_alloc(mat->ctx, n_row, n_col);
if (!new_mat)
goto error;